Note: Sequence of defrosting actions:
Compressor
Four-way value
Outdoor fan
ON
OFF
ON
OFF
ON
OFF
9(or 7)minutes
55s
1min
1min
55s
(7) Freezing prevention function
Under refrigerating and dehumidifying state, the air conditioner will
control the outdoor fan as per the temperature Tp of the indoor coil
pipe according to the following conditions:
(8) 3 minutes stand-by time
When the compressor ceases due to the sensor OFF, unit On or OFF
or fault, it will maintain pause for 3 minutes.
(9) Overload protection during heating running
1.Temperature protection of indoor coil pipe: Under heating state, the
air conditioner will control the running of the fan as per the temperature
Tp of the indoor coil pipe and according to the following conditions:
a.65
the time from ceasing to resuming is about 45 seconds;
b.72
Tp<64
2.Current protection (different models have different protection currents):
a. When <current of compressor>(1), outdoor fan ceases; current
of compressor <(2), outdoor fan resumes;
b. When current of compressor>(3), compressor ceases.
(10) Compensatory function of power failure
If the unit is suddenly off during running due to power failure, or closed
for maintenance or troubleshooting, it will restart to run after the power
resumes with the original condition before the unit is off
7
0
Zone of return deference
Fan,compressor ON
Compressor,outdoor fan OFF after 5 minutes
Tp(
O
C)
O
C<Tp, outdoor fan ceases; Tp<60
O
C
, outdoor fan resumes;
O
C
, compressor resumes after 3 minutes.
O
C
<Tp, outdoor fan of compressor ceases after 5 seconds;
25
Air Conditioner
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